Python 3 Web crawler to develop practical books, teach you how to use Python 3 development of reptiles
This book describes how to use Python 3 development web crawler, the book introduces the basic knowledge and environment configuration, and then discuss the urllib, requests, regular expressions, Beautiful Soup, XPath, pyquery, data storage, Ajax crawling data and other content then introduced through a plurality of different cases how to achieve crawling scene data, after introduced pyspider * frame, the frame and distributed Scrapy crawler.
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